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Finding the Fourth Proportional to 12,585.56, 18,892.91 and 6,753.56

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Solution

The fourth proportional to 12,585.56, 18,892.91 and 6,753.56 is: 10,138.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585.56 : 18,892.91 = 6,753.56 : x
  2. Step 2: Convert to fraction form
    12,585.56/18,892.91 = 6,753.56/x
  3. Step 3: Cross multiply
    12,585.56x = 18,892.91 × 6,753.56
  4. Step 4: Simplify right side
    12,585.56x = 127,594,401.26
  5. Step 5: Solve for x
    x = 127,594,401.26/12,585.56
  6. Step 6: Final answer
    x = 10,138.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.